257431680

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 384

約数和(自身を含む): 1031097600

約数和(自身を除く): 773665920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 17, 18, 20, 22, 24, 30, 32, 33, 34, 36, 40, 44, 45, 48, 51, 55, 60, 64, 66, 68, 72, 80, 85, 88, 90, 96, 99, 102, 110, 120, 128, 132, 136, 144, 153, 160, 165, 170, 176, 180, 187, 192, 198, 204, 220, 239, 240, 255, 264, 272, 288, 306, 320, 330, 340, 352, 360, 374, 384, 396, 408, 440, 478, 480, 495, 510, 528, 544, 561, 576, 612, 640, 660, 680, 704, 717, 720, 748, 765, 792, 816, 880, 935, 956, 960, 990, 1020, 1056, 1088, 1122, 1152, 1195, 1224, 1320, 1360, 1408, 1434, 1440, 1496, 1530, 1584, 1632, 1683, 1760, 1870, 1912, 1920, 1980, 2040, 2112, 2151, 2176, 2244, 2390, 2448, 2629, 2640, 2720, 2805, 2868, 2880, 2992, 3060, 3168, 3264, 3366, 3520, 3585, 3740, 3824, 3960, 4063, 4080, 4224, 4302, 4488, 4780, 4896, 5258, 5280, 5440, 5610, 5736, 5760, 5984, 6120, 6336, 6528, 6732, 7040, 7170, 7480, 7648, 7887, 7920, 8126, 8160, 8415, 8604, 8976, 9560, 9792, 10516, 10560, 10755, 10880, 11220, 11472, 11968, 12189, 12240, 12672, 13145, 13464, 14340, 14960, 15296, 15774, 15840, 16252, 16320, 16830, 17208, 17952, 19120, 19584, 20315, 21032, 21120, 21510, 22440, 22944, 23661, 23936, 24378, 24480, 26290, 26928, 28680, 29920, 30592, 31548, 31680, 32504, 32640, 33660, 34416, 35904, 36567, 38240, 39435, 40630, 42064, 43020, 44693, 44880, 45888, 47322, 48756, 48960, 52580, 53856, 57360, 59840, 60945, 63096, 63360, 65008, 67320, 68832, 71808, 73134, 76480, 78870, 81260, 84128, 86040, 89386, 89760, 91776, 94644, 97512, 97920, 105160, 107712, 114720, 118305, 119680, 121890, 126192, 130016, 134079, 134640, 137664, 146268, 152960, 157740, 162520, 168256, 172080, 178772, 179520, 182835, 189288, 195024, 210320, 215424, 223465, 229440, 236610, 243780, 252384, 260032, 268158, 269280, 275328, 292536, 315480, 325040, 336512, 344160, 357544, 359040, 365670, 378576, 390048, 402237, 420640, 446930, 458880, 473220, 487560, 504768, 520064, 536316, 538560, 585072, 630960, 650080, 670395, 688320, 715088, 731340, 757152, 780096, 804474, 841280, 893860, 946440, 975120, 1009536, 1072632, 1077120, 1170144, 1261920, 1300160, 1340790, 1376640, 1430176, 1462680, 1514304, 1560192, 1608948, 1682560, 1787720, 1892880, 1950240, 2011185, 2145264, 2340288, 2523840, 2600320, 2681580, 2860352, 2925360, 3028608, 3217896, 3575440, 3785760, 3900480, 4022370, 4290528, 4680576, 5047680, 5363160, 5720704, 5850720, 6435792, 7150880, 7571520, 7800960, 8044740, 8581056, 10726320, 11701440, 12871584, 14301760, 15143040, 16089480, 17162112, 21452640, 23402880, 25743168, 28603520, 32178960, 42905280, 51486336, 64357920, 85810560, 128715840, 257431680]

約数ペア:

[(1, 257431680), (2, 128715840), (3, 85810560), (4, 64357920), (5, 51486336), (6, 42905280), (8, 32178960), (9, 28603520), (10, 25743168), (11, 23402880), (12, 21452640), (15, 17162112), (16, 16089480), (17, 15143040), (18, 14301760), (20, 12871584), (22, 11701440), (24, 10726320), (30, 8581056), (32, 8044740), (33, 7800960), (34, 7571520), (36, 7150880), (40, 6435792), (44, 5850720), (45, 5720704), (48, 5363160), (51, 5047680), (55, 4680576), (60, 4290528), (64, 4022370), (66, 3900480), (68, 3785760), (72, 3575440), (80, 3217896), (85, 3028608), (88, 2925360), (90, 2860352), (96, 2681580), (99, 2600320), (102, 2523840), (110, 2340288), (120, 2145264), (128, 2011185), (132, 1950240), (136, 1892880), (144, 1787720), (153, 1682560), (160, 1608948), (165, 1560192), (170, 1514304), (176, 1462680), (180, 1430176), (187, 1376640), (192, 1340790), (198, 1300160), (204, 1261920), (220, 1170144), (239, 1077120), (240, 1072632), (255, 1009536), (264, 975120), (272, 946440), (288, 893860), (306, 841280), (320, 804474), (330, 780096), (340, 757152), (352, 731340), (360, 715088), (374, 688320), (384, 670395), (396, 650080), (408, 630960), (440, 585072), (478, 538560), (480, 536316), (495, 520064), (510, 504768), (528, 487560), (544, 473220), (561, 458880), (576, 446930), (612, 420640), (640, 402237), (660, 390048), (680, 378576), (704, 365670), (717, 359040), (720, 357544), (748, 344160), (765, 336512), (792, 325040), (816, 315480), (880, 292536), (935, 275328), (956, 269280), (960, 268158), (990, 260032), (1020, 252384), (1056, 243780), (1088, 236610), (1122, 229440), (1152, 223465), (1195, 215424), (1224, 210320), (1320, 195024), (1360, 189288), (1408, 182835), (1434, 179520), (1440, 178772), (1496, 172080), (1530, 168256), (1584, 162520), (1632, 157740), (1683, 152960), (1760, 146268), (1870, 137664), (1912, 134640), (1920, 134079), (1980, 130016), (2040, 126192), (2112, 121890), (2151, 119680), (2176, 118305), (2244, 114720), (2390, 107712), (2448, 105160), (2629, 97920), (2640, 97512), (2720, 94644), (2805, 91776), (2868, 89760), (2880, 89386), (2992, 86040), (3060, 84128), (3168, 81260), (3264, 78870), (3366, 76480), (3520, 73134), (3585, 71808), (3740, 68832), (3824, 67320), (3960, 65008), (4063, 63360), (4080, 63096), (4224, 60945), (4302, 59840), (4488, 57360), (4780, 53856), (4896, 52580), (5258, 48960), (5280, 48756), (5440, 47322), (5610, 45888), (5736, 44880), (5760, 44693), (5984, 43020), (6120, 42064), (6336, 40630), (6528, 39435), (6732, 38240), (7040, 36567), (7170, 35904), (7480, 34416), (7648, 33660), (7887, 32640), (7920, 32504), (8126, 31680), (8160, 31548), (8415, 30592), (8604, 29920), (8976, 28680), (9560, 26928), (9792, 26290), (10516, 24480), (10560, 24378), (10755, 23936), (10880, 23661), (11220, 22944), (11472, 22440), (11968, 21510), (12189, 21120), (12240, 21032), (12672, 20315), (13145, 19584), (13464, 19120), (14340, 17952), (14960, 17208), (15296, 16830), (15774, 16320), (15840, 16252)]